Repair and Diagnosis
You are viewing the "split tree" of links. The tree is cut off at a certain depth to keep the page loading fast, but you may have to click multiple links to get to the content you want.View "full tree" with all links on one page (will load slowly, but easier to use ctrl-f to search all pages)
Quick Lookups- Accessories & Equipment
- Accessories Control Systems
- Anti-Theft Systems
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- Body On Board Diagnostic (OBD) (A4 Platform) [Convenience System (Vehicles With Power Windows), On Board Diagnostic (OBD)]
- Electrical Equipment -- (A5 Platform)
- Front Doors, Central Locking System (Sedan) (A5 Platform)
- Interior Lights, Switches - General Information (Sedan) (A5 Platform)
- Interior Lights, Switches (Sedan) (A5 Platform)
- Communication Devices
- Cruise Control Systems
- Entertainment Systems
- Exterior Lights
- Gauges & Instrument Panels
- Headlights
- Horns
- Ignition Switch/Steering Lock
- Infotainment
- Interior/Exterior Trim
- Interior/Illumination Lights
- Mirrors
- Seats
- Steering Column Switches
- Window Motors & Regulators
- Wiper/Washer Systems
- Wiring System (Data Link Connectors, Pwr Dist., Grnd Dist.)
- Body & Frame
- Door Locks
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- Body On Board Diagnostic (OBD) (A4 Platform) [Convenience System (Vehicles With Power Windows), On Board Diagnostic (OBD)]
- Electrical Equipment -- (A5 Platform)
- Front Doors, Central Locking System (Sedan) (A5 Platform)
- Interior Lights, Switches - General Information (Sedan) (A5 Platform)
- Interior Lights, Switches (Sedan) (A5 Platform)
- Exterior Body Panels
- Exterior/Interior Trim
- Frames, Subframes & Crossmembers
- Ignition Switch/Steering Lock
- Mirrors
- Seats
- Sun Roof/T-Top/Convertible Top
- Towing Systems
- Windows
- Door Locks
- Brakes
- Drivelines & Axles
- Electrical
- Engine Mechanical
- Blowers, Superchargers & Turbochargers
- Cooling Fan
- Cooling System (Mechanical)
- Exhaust
- 2.0L - Exhaust System, Emission Controls - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - Generic Scan Tool - Engine Code(S): BPY & BWA (A5 Platform)
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): AXX, BPY & BWA (As Of 10.2008) (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- General, Technical Data - M/T 02Q (Sedan) (A5 Platform)
- Fuel System
- 2.0L - Fuel Supply - Engine Code(S): BPY (A5 Platform)
- 2.0L - Generic Scan Tool - Engine Code(S): BPY & BWA (A5 Platform)
- 2.0L - MULTIPORT Fuel Injection - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): AXX, BPY & BWA (As Of 10.2008) (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- General, Technical Data - M/T 02Q (Sedan) (A5 Platform)
- Lubrication System
- 2.0L - Lubrication - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): AXX, BPY & BWA (As Of 10.2008) (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- General, Technical Data - M/T 02Q (Sedan) (A5 Platform)
- Mechanical
- 2.0L - Crankshaft, Cylinder Block - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - Cylinder Head, VALVETRAIN - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - Engine Assembly - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): AXX, BPY & BWA (As Of 10.2008) (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- General, Technical Data - M/T 02Q (Sedan) (A5 Platform)
- Starter
- Engine Performance
- Emissions
- Fuel Delivery
- 2.0L - Fuel Supply - Engine Code(S): BPY (A5 Platform)
- 2.0L - Generic Scan Tool - Engine Code(S): BPY & BWA (A5 Platform)
- 2.0L - MULTIPORT Fuel Injection - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): AXX, BPY & BWA (As Of 10.2008) (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- General, Technical Data - M/T 02Q (Sedan) (A5 Platform)
- Ignition System
- 2.0L - Generic Scan Tool - Engine Code(S): BPY & BWA (A5 Platform)
- 2.0L - Ignition/Glow Plug System - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): AXX, BPY & BWA (As Of 10.2008) (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- General, Technical Data - M/T 02Q (Sedan) (A5 Platform)
- Mode 6
- Remove, Overhaul & Install
- 2.0L - Fuel Supply - Engine Code(S): BPY (A5 Platform)
- 2.0L - Generic Scan Tool - Engine Code(S): BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): AXX, BPY & BWA (As Of 10.2008) (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- General, Technical Data - M/T 02Q (Sedan) (A5 Platform)
- Specifications
- System
- 2.0L - Fuel Supply - Engine Code(S): BPY (A5 Platform)
- 2.0L - Generic Scan Tool - Engine Code(S): BPY & BWA (A5 Platform)
- 2.0L - MULTIPORT Fuel Injection - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- Testing & Diagnosis
- 2.0L - Fuel Supply - Engine Code(S): BPY (A5 Platform)
- 2.0L - Generic Scan Tool - Engine Code(S): BPY & BWA (A5 Platform)
- 2.0L - MULTIPORT Fuel Injection - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- Tune-Up
- 2.0L - Generic Scan Tool - Engine Code(S): BPY & BWA (A5 Platform)
- 2.0L - Ignition/Glow Plug System - Engine Code(S): AXX, BPY & BWA (A5 Platform)
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): AXX, BPY & BWA (As Of 10.2008) (A5 Platform)
- General, Technical Data - Engine - 2.0L - Engine Code(S): BPY & BWA (As Of 09.2011) (A5 Platform)
- General, Technical Data - M/T 02Q (Sedan) (A5 Platform)
- General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- OBD-II Drive Cycles
- Driveline/Axles
- DTC Index
- Electrical
- Engine
- Engine Performance
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- Waveforms - Injector Pattern Tutorial - General Information
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Identification
- Metric Conversions
- OEM General Information
- Reset Procedures
- Specifications Index
- Steering
- General, Technical Data - Towing Guide (Sedan) (A5 Platform)
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- Maintenance
- Procedures
- Maintenance Intervals (Sedan) (A5 Platform)
- Maintenance Reminder Light (Reset Procedures)
- Maintenance, Diagnosis - Fluid Capacity Tables (A5 Platform)
- Maintenance, Diagnosis - Maintenance Procedures (As Of 05.2011) (Sedan) (A5 Platform)
- Maintenance, Diagnosis - Maintenance Procedures (As Of 08.2009) (Sedan) (A5 Platform)
- Procedures
- Restraints
- Steering
- Suspension
- Front Suspension
- Rear Suspension
- Wheel Alignment
- Wheels & Tire System
- Exterior Equipment (Sedan) (A5 Platform)
- General, Technical Data - Suspension, Wheels, Steering (Sedan) (A5 Platform)
- Rear Suspension (Sedan) (A5 Platform)
- Wheels, Tires, Wheel Alignment - General Information (Sedan) (A5 Platform)
- Wheels, Tires, Wheel Alignment - Specifications (Sedan) (A5 Platform)
- Wheels, Tires, Wheel Alignment (Sedan) (A5 Platform)
- Transmission
- Automatic Trans
- Clutch - 02Q (Sedan) (A5 Platform)
- Manual Trans
- 2.0L - On Board Diagnostic (OBD) - Engine Code(S): BPY & BWA (A5 Platform)
- Clutch - 02Q (Sedan) (A5 Platform)
- Controls, Housing - Manual Transmission 02Q (Sedan) (A5 Platform)
- Final Drive, Differential - Manual Transmission 02Q (Sedan) (A5 Platform)
- Gears, Shafts - Manual Transmission 02Q (Sedan) (A5 Platform)
- Transmission Control Systems
- External Pages
